<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>navigation form</title>
    </head>
    <body>
        <form action="/getHeaders" method="post">
            <input type="hidden" name="foo" value="bar"/>
            <input type="hidden" name="hello" value="world"/>
            <input type="submit" value="submit hello" style="position:absolute; top:0px; left:0px">
        </form>
    </body>
</html>